How much does an AC replacement cost in Whitefish, MT?
US national rangeUpdated Prices checked October 20262 sources
An AC replacement costs $3,887 to $8,073 nationally, typical $5,978. We have no documented price index for Whitefish for this job, so this is the US national range from HomeAdvisor, checked October 2026.
US national range, not adjusted for this city
- Low
- $3,887
- Typical
- $5,978
- High
- $8,073
AC replacement cost in Whitefish, MT
We have no documented price index for Whitefish for this job, so the table shows the US national range.
| Estimate | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| US national range | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs (HomeAdvisor) | October 2026 |
AC replacement cost by type or size
US national figures in USD, as published by each source.
| Type or size | Price (USD) | Source |
|---|---|---|
| 3-ton central AC replacement, existing ducts | $5,500 to $10,000 | Fixr |
| 3-ton central AC replacement with new ducts | $7,500 to $16,000 | Fixr |
What drives the cost of an AC replacement
System size
Capacity in tons depends on home size, climate, sun exposure and insulation.
Efficiency (SEER2)
Higher-efficiency units cost more up front and less to run.
Ductwork
New ductwork is the largest add-on, at $1,000 to $5,000.
System type
Split, packaged, heat pump and ductless systems are priced differently.
Electrical and drain work
A panel upgrade or new condensate line adds cost.
Labor
Installation typically takes four to eight hours, about $300 to $1,600 in labor.
Permits and what's included in Whitefish
Permit note
A mechanical or electrical permit and an inspection are usually required. Ask whether the quote includes them.
Rules are set locally; confirm with Whitefish’s building department.
What’s usually included
- The new outdoor and indoor equipment
- Refrigerant lines, electrical connection and startup
- Removal of the old unit (confirm on the quote)
Scopes vary. Get the scope in writing on every quote.
Get AC replacement quotes in Whitefish
Tell us about the job and we will pass it to local pros. Asking for quotes never changes how we rank anyone.
Two short steps: your name, then how to reach you. Free, and it never changes anyone’s rank.
Top-ranked HVAC contractors in Whitefish
The top 3 of 43 HVAC contractors we rank for Whitefish, MT, by CR Score. Paid placement never changes rank.
- #1Central Heating, Cooling, Plumbing and ElectricalCR Score 654.9from 1,270 Google reviews
- #2Aire Serv of KalispellCR Score 634.9from 650 Google reviews
- #3Wild West Plumbing, Heating & CoolingCR Score 614.9from 762 Google reviews
AC replacement cost in Whitefish: questions
How much does an AC replacement cost in Whitefish, MT?
Do I need a permit for an AC replacement in Whitefish?
What affects the cost of an AC replacement?
How many HVAC contractors serve Whitefish?
What is usually included in the price?
Sources
Checked October 2026. Figures are estimates, not quotes.
- HomeAdvisor: AC unit installation cost · page updated June 17, 2026 · checked October 2026Primary source. Used for: Low, typical and high; ductwork, labor and efficiency drivers.
- Fixr: Central air conditioner installation cost · page updated August 29, 2025 · checked October 2026Used for: 3-ton replacement ranges with and without new ducts; drivers; permit.
Related pages
More cost guides for Whitefish
- Roof replacement cost in Whitefish
- Roof repair cost in Whitefish
- Water heater replacement cost in Whitefish
- Furnace replacement cost in Whitefish
- Electrical panel upgrade cost in Whitefish
- Interior painting cost in Whitefish
- Exterior painting cost in Whitefish
- Kitchen remodel cost in Whitefish
- Bathroom remodel cost in Whitefish
- Hardwood floor installation cost in Whitefish
- Fence installation cost in Whitefish
- Deck building cost in Whitefish
- Siding replacement cost in Whitefish
- Window replacement cost in Whitefish
- Gutter installation cost in Whitefish
- Attic insulation cost in Whitefish
- Garage door repair cost in Whitefish
- Foundation repair cost in Whitefish
- Tree removal cost in Whitefish
- Water damage restoration cost in Whitefish
- Concrete driveway cost in Whitefish